COIN DETECTOR
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Feb 7, 2012
filing date -
Feb 24, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A coin detector having the characteristics of simple structure, low cost and high recognition speed is disclosed to include a housing defining therein a coin passage, and a circuit module, which uses an optical pickup device consisting of an optical module and an analog-to-digital converter to detect the number and pitch of the parallel lines and grooves of the reeded edge of each inserted coin and a microprocessor to determine the authenticity and value of each inserted coin by means of comparing the data of the sensed number of pitch of parallel lines and grooves with a predetermined reference data.
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